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Go into an extended outage with 18.4kWh of battery storage and 1,600W of portable EcoFlow solar. This DELTA Pro Ultra X package includes one 12kW inverter, three 6,144Wh smart batteries and four EcoFlow 400W portable solar panels.
Sale price: $11,699 with free shipping in the contiguous United States.
A Serious Solar Generator for Home Backup
This is the bundle for someone who wants meaningful solar recovery, not one token panel added to a large battery. Four 400W panels provide up to 1,600W of rated portable solar, giving you a practical way to put energy back into the system during a longer outage. The Ultra X can accept much more PV later if you decide to install a larger array.
It is still portable solar, so output will move with the sun and weather. But having four panels gives you a much better starting point than waiting for the grid to return or running a fuel generator all day.
Bundle Highlights
- 18,432Wh included LFP battery storage
- Up to 12,000W AC output with 120V/240V capability
- Four EcoFlow 400W portable panels — 1,600W rated total
- Up to 10,000W total PV input capacity
- Expandable to 61.44kWh on one inverter
- NEMA 5-20, L14-30 and 14-50 outlets
- Fast UPS operation and EcoFlow app control
What Is Included
- 1 × EcoFlow DELTA Pro Ultra X inverter
- 3 × EcoFlow 6,144Wh smart extra batteries
- 4 × EcoFlow 400W portable solar panels
- 4 × kickstand carrying cases
- Solar connection cables and standard Ultra X accessories
System Specifications
| Total battery capacity | 18,432Wh |
|---|---|
| AC output | Up to 12,000W; 120V/240V |
| Included solar | 1,600W total (4 × 400W) |
| Maximum PV input | 10,000W total |
| Panel efficiency | Up to approximately 22.4% |
| Panel weather rating | IP67 |
What It Can Power
The Ultra X has enough output for demanding household equipment, including compatible central air systems, well pumps, refrigerators, freezers and tools. That does not mean every appliance should be started at once. We recommend planning critical loads and checking compressor startup requirements before the first outage.
Important Connection Note
EcoFlow recommends distributing batteries across both powered battery ports and keeping the sides balanced when full 12kW output is required. Because this package includes three batteries, the final connection layout can affect maximum available output.
Solar production varies with sun, temperature, panel position and shading. Contact AllProGenerators for help planning the solar layout or calculating estimated runtime.
Best Use Cases
- Longer hurricane and outage backup with portable solar recharging
- RV, cabin and off-grid systems needing 120V/240V output
- High-capacity mobile power for tools, appliances and emergency equipment
- Customers who want an included 1,600W portable solar array
EcoFlow DELTA Pro Ultra X Specifications
| AC output | 12,000W, 120/240V split phase |
|---|---|
| Battery capacity | 6,144Wh per Ultra X Smart Extra Battery |
| Solar input | Up to 10,000W total; two 80–500V, 15A, 5,000W PV inputs |
| Expansion | Up to 10 batteries per inverter; up to three inverters in supported systems |
| AC outlets | 2 × NEMA 5-20, L14-30 and 14-50 |
| Transfer time | Under 10ms standalone; under 20ms with Smart Home Panel 3 |
| Inverter size / weight | 26.6 × 18.7 × 9.06 in / approximately 70.1 lb |
| Battery size / weight | 26 × 18 × 8 in / approximately 111.3 lb each |
| Warranty | 5-year standard manufacturer warranty |
Important three-battery output note: EcoFlow specifies that the batteries should be balanced across both powered battery ports to reach the full 12kW output. Three batteries cannot be divided evenly between those ports, so maximum output can be lower than 12kW in some three-battery configurations. Call us before ordering if a specific high-starting-load appliance is critical.
EcoFlow 400W Portable Solar Panel Specifications
- Four panels, 400W rated each; 1,600W total rated array output
- Up to 23% conversion efficiency
- One-piece foldable, self-supporting design
- IP68 water- and dust-resistance rating
- Approximately 42 lb per panel
Frequently Asked Questions
How much battery storage is included?
Three 6,144Wh batteries provide 18,432Wh, or about 18.4kWh, of nominal capacity.
Will four panels always produce 1,600W?
No. Rated wattage is measured under standard test conditions. Weather, heat, shade, panel angle, cable losses and input limits affect real output.
How should the panels be connected?
Keep the combined voltage and current within EcoFlow's PV-input limits. Follow the EcoFlow wiring guidance or ask us to review your proposed series/parallel layout before connecting the array.
Can this be tied into the house?
Permanent home integration requires compatible EcoFlow equipment and installation by a qualified electrician. Do not backfeed a home through a wall outlet.
| Shipping | This item ships to |
 |
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
 |
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
 |
We offer the absolute lowest price we can offer |
|
 |
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
 |
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
Description
Go into an extended outage with 18.4kWh of battery storage and 1,600W of portable EcoFlow solar. This DELTA Pro Ultra X package includes one 12kW inverter, three 6,144Wh smart batteries and four EcoFlow 400W portable solar panels.
Sale price: $11,699 with free shipping in the contiguous United States.
A Serious Solar Generator for Home Backup
This is the bundle for someone who wants meaningful solar recovery, not one token panel added to a large battery. Four 400W panels provide up to 1,600W of rated portable solar, giving you a practical way to put energy back into the system during a longer outage. The Ultra X can accept much more PV later if you decide to install a larger array.
It is still portable solar, so output will move with the sun and weather. But having four panels gives you a much better starting point than waiting for the grid to return or running a fuel generator all day.
Bundle Highlights
- 18,432Wh included LFP battery storage
- Up to 12,000W AC output with 120V/240V capability
- Four EcoFlow 400W portable panels — 1,600W rated total
- Up to 10,000W total PV input capacity
- Expandable to 61.44kWh on one inverter
- NEMA 5-20, L14-30 and 14-50 outlets
- Fast UPS operation and EcoFlow app control
What Is Included
- 1 × EcoFlow DELTA Pro Ultra X inverter
- 3 × EcoFlow 6,144Wh smart extra batteries
- 4 × EcoFlow 400W portable solar panels
- 4 × kickstand carrying cases
- Solar connection cables and standard Ultra X accessories
System Specifications
| Total battery capacity | 18,432Wh |
|---|---|
| AC output | Up to 12,000W; 120V/240V |
| Included solar | 1,600W total (4 × 400W) |
| Maximum PV input | 10,000W total |
| Panel efficiency | Up to approximately 22.4% |
| Panel weather rating | IP67 |
What It Can Power
The Ultra X has enough output for demanding household equipment, including compatible central air systems, well pumps, refrigerators, freezers and tools. That does not mean every appliance should be started at once. We recommend planning critical loads and checking compressor startup requirements before the first outage.
Important Connection Note
EcoFlow recommends distributing batteries across both powered battery ports and keeping the sides balanced when full 12kW output is required. Because this package includes three batteries, the final connection layout can affect maximum available output.
Solar production varies with sun, temperature, panel position and shading. Contact AllProGenerators for help planning the solar layout or calculating estimated runtime.
Best Use Cases
- Longer hurricane and outage backup with portable solar recharging
- RV, cabin and off-grid systems needing 120V/240V output
- High-capacity mobile power for tools, appliances and emergency equipment
- Customers who want an included 1,600W portable solar array
EcoFlow DELTA Pro Ultra X Specifications
| AC output | 12,000W, 120/240V split phase |
|---|---|
| Battery capacity | 6,144Wh per Ultra X Smart Extra Battery |
| Solar input | Up to 10,000W total; two 80–500V, 15A, 5,000W PV inputs |
| Expansion | Up to 10 batteries per inverter; up to three inverters in supported systems |
| AC outlets | 2 × NEMA 5-20, L14-30 and 14-50 |
| Transfer time | Under 10ms standalone; under 20ms with Smart Home Panel 3 |
| Inverter size / weight | 26.6 × 18.7 × 9.06 in / approximately 70.1 lb |
| Battery size / weight | 26 × 18 × 8 in / approximately 111.3 lb each |
| Warranty | 5-year standard manufacturer warranty |
Important three-battery output note: EcoFlow specifies that the batteries should be balanced across both powered battery ports to reach the full 12kW output. Three batteries cannot be divided evenly between those ports, so maximum output can be lower than 12kW in some three-battery configurations. Call us before ordering if a specific high-starting-load appliance is critical.
EcoFlow 400W Portable Solar Panel Specifications
- Four panels, 400W rated each; 1,600W total rated array output
- Up to 23% conversion efficiency
- One-piece foldable, self-supporting design
- IP68 water- and dust-resistance rating
- Approximately 42 lb per panel
Frequently Asked Questions
How much battery storage is included?
Three 6,144Wh batteries provide 18,432Wh, or about 18.4kWh, of nominal capacity.
Will four panels always produce 1,600W?
No. Rated wattage is measured under standard test conditions. Weather, heat, shade, panel angle, cable losses and input limits affect real output.
How should the panels be connected?
Keep the combined voltage and current within EcoFlow's PV-input limits. Follow the EcoFlow wiring guidance or ask us to review your proposed series/parallel layout before connecting the array.
Can this be tied into the house?
Permanent home integration requires compatible EcoFlow equipment and installation by a qualified electrician. Do not backfeed a home through a wall outlet.
Shipping
| Shipping | This item ships to |
Delivery
|
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
Why Buy From Us
|
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
|
We offer the absolute lowest price we can offer |
|
|
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
|
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
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